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PartsTable / COMPONENT / SMB415518
SMB415518 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BLOCK,MOUNTING is a the manufacturer industrial component. Key specifications include phase: THREE LOCATION NOT OTHERWISE SPECIFIED, material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN, point_type: NOTCHED, input_phase: THREE LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-876-0056, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SMB415518
NSN: 5950-00-876-0056
FSC: 5950
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
phaseTHREE LOCATION NOT OTHERWISE SPECIFIED
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
point_typeNOTCHED
input_phaseTHREE LOCATION NOT OTHERWISE SPECIFIED
shank_styleSTRAIGHT ROUND
flute_length3.000 INCHES NOMINAL IN
thread_class2B
overall_depth40.500 INCHES NOMINAL IN
overall_width27.000 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
NSN5950-00-876-0056
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BLOCK,MOUNTING TITLE COMPONENT PN SMB415518 MFR BLOCK,MOUNTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
STC5651Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5205Interchangeable
interchangeable cross-reference
interchangeable
3-30106Interchangeable
interchangeable cross-reference
interchangeable
800071Interchangeable
interchangeable cross-reference
interchangeable
5118-103-36Interchangeable
interchangeable cross-reference
interchangeable
832837Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB415518?
SMB415518 is a BLOCK,MOUNTING.
What parts can replace SMB415518?
There are 13 known substitutes for SMB415518: STC5651, RELEASE5205, 3-30106 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB415518?
SMB415518 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-876-0056. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026